Category: M

Rotation of a organ or structure in such a manner as to cut off function and/or blood supply. Failure during embryogenesis of normal rotation of all or a portion of an organ or system, especially the viscera.  

Method of calculating the age of a human embryo in days; calculated by taking the square root of the length from vertex to breech in centimeters, then multiplying by 100.  

Surgical removal of the tympanic membrane.  

Rare, inherited disease in which muscle tissue is replaced by bone, leading to stiffness and impaired mobility. Abnormal bone formation in a muscle usually located near the elbow joint. It usually occurs from muscle damage or as a complication of a fracture. It can also be a common complication of thigh muscle injuries from contact…

Death of muscle cell fibers, sometimes seen in infections of deep wounds.  

Any disease of the heart muscle.  

Perception of sensation (e.g., touch, pressure) by a muscle. Muscle sense; consciousness of muscle contraction.  

Congenital defect of the central nervous system in which a sac containing a part of the spinal cord and its meninges and cerebrospinal fluid protrudes through an opening in the vertebral column; it is due to a failure of the neural tube to close during embryonic development or to its reopening after closure. It most…

X-ray procedure in which the spinal cord and subarachnoid space axe photographed (myelogram) after injection of a contrast medium into the subarachnoid space; it is used to examine the spinal cord and detect possible lesions. An X-ray study of the spinal cord after injection of contrast medium. X-ray examination of the spinal cord. Doctors perform…

X ray of the spinal cord, spinal nerve roots, and subarachnoid space. Radiographic imagery of the spine and spinal nerves. A radiograph of the spinal cord and associated nerves. A myelogram is a radiographic examination of the spinal cord, nerves, and surrounding tissues using X-ray imaging. During this procedure, a contrast dye is injected into…